diff --git a/doc/release-notes.md b/doc/release-notes.md
index 340fe47b74..2dc4be69bb 100644
--- a/doc/release-notes.md
+++ b/doc/release-notes.md
@@ -1,6 +1,12 @@
Bitcoin ABC version 0.21.3 is now available from:
This release includes the following features and fixes:
-
+
+Low-level RPC changes
+----------------------
+ - `-usehd` was removed in version 0.16. From that version onwards, all new
+ wallets created are hierarchical deterministic wallets. Version 0.18 makes
+ specifying `-usehd` invalid config.
diff --git a/src/init.cpp b/src/init.cpp
index 26bcb6f63c..3baaf8fd08 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1,2538 +1,2538 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#if defined(HAVE_CONFIG_H)
#include
#endif
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include